Tom is good a studenthe is often praised by the teacher.A. such; as B. so; asC. such; that

问题补充：

Tom is good a studenthe is often praised by the teacher.

A. such; as

B. so; as

C. such; that

D. so; that

答案：

A. such; as

B. so; as

C. such; that

(答案→)D. so; that

解析：句意：汤姆是如此好的学生以至于他经常被老师表扬。这里使用so…that…句型，so后面修饰good a student，如果是such的话，应该是such a good student，that引导的是结果状语从句，从句中是完整的，如果从句中缺少主宾表，就应该是as引导定语从句，所以选D。